Shopping security
Durable zinc-plated steel carriage bolts for fastening wood-to-wood or wood-to-metal connections. The domed head and square neck provide a clean, semi-flush finish and resist spinning during installation.
| Specification | Details |
|---|---|
| Diameter | 3/8 in |
| Length | 7 in |
| Material | Steel |
| Finish | Zinc-plated |
| Head Type | Round (carriage) with square neck |
| Thread Type | Coarse |
| Grade | 2 |
| Package Quantity | 50 |
| Measurement System | SAE |
| Packaging Type | Boxed |
Q: What size are these carriage bolts?
A: They are 3/8 inch diameter by 7 inches long.
Q: What material and finish are they?
A: Steel with a zinc-plated finish for corrosion resistance.
Q: What projects are these best for?
A: They’re commonly used to fasten a wooden face to a wood or metal frame, such as decks, fences, and furniture.
Q: Do I need a tool to hold the head while tightening?
A: Usually no—the square neck under the head locks into the wood to prevent spinning as you tighten the nut.
Q: How many bolts are in the package?
A: 50 bolts per pack.
The quiet elegance of a domed carriage head brings order and refinement to functional joinery. Its zinc sheen catches light subtly, while the squared neck keeps lines crisp and true. Use them in repeating rhythms across fences or bench slats for a tailored, architectural look. A staple of refined craftsmanship, they’re the discreet detail that elevates everyday structures.
Outfit your next build with reliable, clean-finished fastening—add this 50-pack of Hillman carriage bolts to your cart today.
Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order